U.S. Army soldiers carry the flag-draped transfer case containing the remains of U.S. Army Maj. Gen. Harold J. Greene during a dignified transfer at Dover Air Force Base on August 7, 2014 in Dover, Delaware. According to reports, Greene, who was from Schenectady, New York, assigned to the Combined Security Transition Command, was killed after his unit was attacked in Afghanistan. (Photo by Patrick Smith/Getty Images) ( 453296090 )

A US Army carry team moves a transfer case with the remains of US Army Maj. Gen. Harold J. Greene from a C-17 cargo plane during a dignified transfer at Dover Air Force Base August 7, 2014 in Delaware. Major General Harold J. Greene was shot dead on August 5, 2014 at a training center in Kabul in an attack that left more than a dozen others wounded, including a senior German officer. AFP PHOTO/Brendan SMIALOWSKI/AFP/Getty Images ( 532270547 )

John M. McHugh (3R), Secretary of the US Army, US Army Chief of Staff General Ray Odierno (2R), and US Air Force Colonel Richard Moore (R) salute as a US Army carry team moves the remains of US Army Maj. Gen. Harold J. Greene during a dignified transfer at Dover Air Force Base August 7, 2014 in Delaware. Major General Harold J. Greene was shot dead on August 5, 2014 at a training center in Kabul in an attack that left more than a dozen others wounded, including a senior German officer. AFP PHOTO/Brendan SMIALOWSKI/AFP/Getty Images ( 532270549 )

U.S. Army soldiers carry the flag-draped transfer case containing the remains of U.S. Army Maj. Gen. Harold J. Greene during a dignified transfer, as U.S. Army Secretary John McHugh (L) holds his hand over his heart, and U.S. Army Chief of Staff Ray Odierno (C), and Dignified Transfer Host, U.S Air Force Col. Richard G. Moore (R) salute, at Dover Air Force Base on August 7, 2014 in Dover, Delaware. A(Photo by Patrick Smith/Getty Images) ( 453296654 )

U.S. Army soldiers carry the flag-draped transfer case containing the remains of U.S. Army Maj. Gen. Harold J. Greene during a dignified transfer at Dover Air Force Base on August 7, 2014 in Dover, Delaware. (Photo by Patrick Smith/Getty Images) ( 453296354 )

U.S. Army Secretary John McHugh (L) holds his hand over his heart as U.S. Army Chief of Staff Ray Odierno (C), and Dignified Transfer Host, U.S Air Force Col. Richard G. Moore salute, during the dignified transfer of the remains of U.S. Army Maj. Gen. Harold J. Greene at Dover Air Force Base on August 7, 2014 in Dover, Delaware. (Photo by Patrick Smith/Getty Images) ( 453297246 )

U.S. Army soldiers carry the flag-draped transfer case containing the remains of U.S. Army Maj. Gen. Harold J. Greene during a dignified transfer, as U.S. Army Chief of Staff Ray Odierno salutes, at Dover Air Force Base on August 7, 2014 in Dover, Delaware. (Photo by Patrick Smith/Getty Images) ( 453298038 )

A US Army carry team moves a transfer case with the remains of US Army Maj. Gen. Harold J. Greene from a C-17 cargo plane during a dignified transfer at Dover Air Force Base August 7, 2014 in Delaware. AFP PHOTO/Brendan SMIALOWSKI/AFP/Getty Images ( 532269423 )

A US Army carry team salutes as the remains of US Army Maj. Gen. Harold J. Greene are driven away during a dignified transfer at Dover Air Force Base August 7, 2014 in Delaware. AFP PHOTO/Brendan SMIALOWSKI/AFP/Getty Images ( 532269499 )

U.S. Army soldiers walk away from the transfer vehicle after carrying the flag-draped transfer case containing the remains of U.S. Army Maj. Gen. Harold J. Greene during a dignified transfer at Dover Air Force Base on August 7, 2014 in Dover, Delaware. (Photo by Patrick Smith/Getty Images) ( 453296896 )

A transfer case with the remains of US Army Maj. Gen. Harold J. Greene is seen, as a member of the US Air Force closes the doors of the vehicle during a dignified transfer at Dover Air Force Base August 7, 2014 in Delaware. AFP PHOTO/Brendan SMIALOWSKI/AFP/Getty Images ( 532269245 )

The wife of US Army Maj. Gen. Harold J. Greene, Susan Myers (2ndR) walks with her son US Army First Lieutenant Matthew Greene (3rdR), daughter-in-law Kasandra Greene (3R), daughter Amelia Greene (2R) and others to speak with a C-17's flight crew after a dignified transfer at Dover Air Force Base August 7, 2014 in Delaware. AFP PHOTO/Brendan SMIALOWSKI/AFP/Getty Images ( 532275888 )

U.S. Air Force Door Attendant Senior Airman Kristina C. Barr, shuts the door of the transfer vehicle, as the flag-draped transfer case containing the remains of U.S. Army Maj. Gen. Harold J. Greene rest inside during a dignified transfer at Dover Air Force Base on August 7, 2014 in Dover, Delaware. (Photo by Patrick Smith/Getty Images) ( 453296850 )

The wife of US Army Maj. Gen. Harold J. Greene, Susan Myers (2ndR), son US Army First Lieutenant Matthew Greene (C), daughter-in-law Kasandra Greene (2nd L), daughter Amelia Greene (L) walk of a C-17 after speaking with the flight crew after a dignified transfer at Dover Air Force Base on August 7, 2014 in Delaware. AFP PHOTO/Brendan SMIALOWSKI/AFP/Getty Images ( 532275886 )